CVE-2026-3679: Tenda FH451 QuickIndex formQuickIndex stack-based overflow

Published Mar 7, 2026
·
Updated

A vulnerability was identified in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex. Such manipulation of the argument mitlinktype/PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

Affected Software

3 affected components
Tenda FH451
All of the following
Tenda F451 Firmware=1.0.0.9
Tenda F451

Event History

Mar 7, 2026
CVE Published
via MITRE·10:32 PM
Data Sourced
via MITRE·10:32 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:15 PM
DescriptionSeverityWeaknessAffected Software
Jul 22, 58183
Event
via NVD·08:36 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-3679?

CVE-2026-3679 has a high severity rating due to its potential for stack-based buffer overflow exploitation.

2

How do I fix CVE-2026-3679?

To fix CVE-2026-3679, update the Tenda FH451 firmware to the latest version provided by the manufacturer.

3

What systems are affected by CVE-2026-3679?

CVE-2026-3679 affects the Tenda FH451 router running version 1.0.0.9.

4

Can CVE-2026-3679 be exploited remotely?

Yes, CVE-2026-3679 can be exploited remotely through manipulation of the formQuickIndex function.

5

What are the potential consequences of exploiting CVE-2026-3679?

Exploitation of CVE-2026-3679 could lead to unauthorized remote code execution on the affected device.

Contact

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